Home / 124,138.18-186,096.52-103,249.59

Finding the Fourth Proportional to 124,138.18, 186,096.52 and 103,249.59

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Solution

The fourth proportional to 124,138.18, 186,096.52 and 103,249.59 is: 154,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138.18 : 186,096.52 = 103,249.59 : x
  2. Step 2: Convert to fraction form
    124,138.18/186,096.52 = 103,249.59/x
  3. Step 3: Cross multiply
    124,138.18x = 186,096.52 × 103,249.59
  4. Step 4: Simplify right side
    124,138.18x = 19,214,389,390.43
  5. Step 5: Solve for x
    x = 19,214,389,390.43/124,138.18
  6. Step 6: Final answer
    x = 154,782.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.